Study of biodegradation of pure magnesium

Ren, Yibin and Wang, Hao and Huang, Jingjing and Zhang, Bingchun and Yang, Ke (2007) Study of biodegradation of pure magnesium. In: ASBM7: 7th Asian Symposium on Biomedical Materials , 20-23 Aug 2006, Jeju, Korea.

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Magnesium and its alloys are possible to develop new type of biodegradable medical magnesium alloys by using their active corrosion potential. The bio-corrosion properties of the high pure magnesium in the Hank's solution were investigated in this paper, the results showed that high pure magnesium had a low corrosion rate and hydrogen release in Hank's solution, when the pH value of solution was controlled at 7.5, the corrosion rate was under 0.2mm/year, the production of hydrogen was about 0.15ml/cm2, and if the solution wasn't controlled on pH value, the corrosion rate was about 0.02 mm/year, production of hydrogen was about 0.1 ml/cm2. Result of in vitro Kinetic clotting time test and animal implant prep-test showed that High pure magnesium had good thromboresistant property and tissue compatibility, pure magnesium can biodegrade lowly in animal body and formed surface apatite, which proportion of Ca/P was similar with bone tissue.

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Item Type: Conference or Workshop Item (Commonwealth Reporting Category E) (Paper)
Refereed: Yes
Item Status: Live Archive
Additional Information (displayed to public): Electronic version not held.
Depositing User: ePrints Administrator
Faculty / Department / School: Historic - Faculty of Engineering and Surveying - Department of Mechanical and Mechatronic Engineering
Date Deposited: 21 Jul 2010 11:08
Last Modified: 02 Jul 2013 23:59
Uncontrolled Keywords: biocompatibility; biodegradation; biomaterial; corrosion; magnesium
Fields of Research (FoR): 09 Engineering > 0903 Biomedical Engineering > 090304 Medical Devices
03 Chemical Sciences > 0399 Other Chemical Sciences > 039904 Organometallic Chemistry
09 Engineering > 0912 Materials Engineering > 091207 Metals and Alloy Materials
Socio-Economic Objective (SEO): B Economic Development > 86 Manufacturing > 8611 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) > 861199 Basic Metal Products (incl. Smelting, Rolling, Drawing and Extruding) not elsewhere classified
C Society > 92 Health > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920118 Surgical Methods and Procedures
Identification Number or DOI: doi: 10.4028/

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